RX 5600 XT, all voltages present but doesn't post

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  • LozinMust
    Member
    • Apr 2023
    • 24
    • Portugal
    #1

    RX 5600 XT, all voltages present but doesn't post

    Hello guys.

    I have an RX 5600 XT that was missing vddci, all other voltages were present. The output of the LDO regulator was low (~0.4V) and it was getting hot. I didn't have the same exact IC so I replaced the faulty uP1230 by a GS7162. After this, the voltage on the vddci coil was 1.1V, still the card won't post. Does anyone have any suggestions on what could be at fault? This is my first attempt at fixing AMD cards, so I might be overlooking something.
    I leave the photos of the PCB with the voltages and resistances here: https://imgur.com/a/yrD7GWK


    ​
    Tags: None
    • LozinMust
      Member
      • Apr 2023
      • 24
      • Portugal
      #2
      After digging in further, I found out that the reference clock lines are reading a short to ground. I guess I already know the answer, but is there anything that can be done in this case or is it a dead core?

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